function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function flashSetCookie(val) {
	createCookie('synergyImgCookie',val,7);
}

/*usage*/
//create
//createCookie('synergyImgCookie','2',7);
//erase
//eraseCookie('synergyImgCookie');
//read
var cookieValTmp = readCookie('synergyImgCookie');
if (cookieValTmp) {
	//cookie exists so write it to cookie var -> swf receives
	var cookieVal = cookieValTmp;
}else{
	//there is no cookie so try to assign one
	var randNum=Math.floor(Math.random()*3)
	createCookie('synergyImgCookie',randNum,7);
	//read cookie just submitted -> if cookies disabled will pass null
	var cookieVal = readCookie('synergyImgCookie');
	if(cookieVal == null){
		//cookies are disabled so just assign arbitrary number [rand here?]
		cookieVal = 0;
	}
}
//alert(cookieVal);